Portech IS-670, User Manual

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IS-670 User manual
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7.3 Codec Setting (voice format setting)
Code Setting (voice format setting) picture provides Codec format priority, RTP package size and VAD
function.
Column Introduction
Codec Priority Provide format priority of using voice.
Codec Priority 1 Preset to be G.711 u-law; the first syn-position voice format.
Provide No used, G.711u-law, G. 711a-law,
G.723
，
G.279
，
G.726–16
，
G.726–24
，
G.726–32
，
G.726–40 and so
on.
Codec Priority 2 Preset to be G.711 u-law; the second syn-position voice format.
Codec Priority 3 Preset to be G.723; the third syn-position voice format.
Codec Priority 4 Preset to be G.729; the fourth syn-position voice format.
Codec Priority 5 Preset to be G.726-16; the fifth syn-position voice format.
Codec Priority 6 Preset to be G.726-24; the sixth syn-position voice format.
Codec Priority 7 Preset to be G.726-32; the seventh syn-position voice format.
Codec Priority 8 Preset to be G.726-40; the eighth syn-position voice format.
RTP Packet
Length Provide data of setting RTP package length
G.711 & G.729 Preset to be 20ms; G,711& G.729 package length Provide 10ms
，
20ms
，
30ms
，
40ms
，
50ms
，
60ms
，
70ms
，
80ms
，
90ms and other
formats.
G.723
Preset to be 30ms; G,723 package length Provide 30ms
，
60ms
，
90ms
and other formats.